Update Dockerfiles for 1.16.2 release (#155)

diff --git a/1.16/scala_2.12-java11-ubuntu/Dockerfile b/1.16/scala_2.12-java11-ubuntu/Dockerfile
index 9be60a4..9b19fcf 100644
--- a/1.16/scala_2.12-java11-ubuntu/Dockerfile
+++ b/1.16/scala_2.12-java11-ubuntu/Dockerfile
@@ -44,9 +44,9 @@
   gosu nobody true
 
 # Configure Flink version
-ENV FLINK_TGZ_URL=https://www.apache.org/dyn/closer.cgi?action=download&filename=flink/flink-1.16.1/flink-1.16.1-bin-scala_2.12.tgz \
-    FLINK_ASC_URL=https://www.apache.org/dist/flink/flink-1.16.1/flink-1.16.1-bin-scala_2.12.tgz.asc \
-    GPG_KEY=A5F3BCE4CBE993573EC5966A65321B8382B219AF \
+ENV FLINK_TGZ_URL=https://www.apache.org/dyn/closer.cgi?action=download&filename=flink/flink-1.16.2/flink-1.16.2-bin-scala_2.12.tgz \
+    FLINK_ASC_URL=https://www.apache.org/dist/flink/flink-1.16.2/flink-1.16.2-bin-scala_2.12.tgz.asc \
+    GPG_KEY=8D56AE6E7082699A4870750EA4E8C4C05EE6861F \
     CHECK_GPG=true
 
 # Prepare environment
diff --git a/1.16/scala_2.12-java11-ubuntu/release.metadata b/1.16/scala_2.12-java11-ubuntu/release.metadata
index 5032b9b..b646675 100644
--- a/1.16/scala_2.12-java11-ubuntu/release.metadata
+++ b/1.16/scala_2.12-java11-ubuntu/release.metadata
@@ -1,2 +1,2 @@
-Tags: 1.16.1-scala_2.12-java11, 1.16-scala_2.12-java11, scala_2.12-java11, 1.16.1-scala_2.12, 1.16-scala_2.12, scala_2.12, 1.16.1-java11, 1.16-java11, java11, 1.16.1, 1.16, latest
+Tags: 1.16.2-scala_2.12-java11, 1.16-scala_2.12-java11, scala_2.12-java11, 1.16.2-scala_2.12, 1.16-scala_2.12, scala_2.12, 1.16.2-java11, 1.16-java11, java11, 1.16.2, 1.16, latest
 Architectures: amd64,arm64v8
diff --git a/1.16/scala_2.12-java8-ubuntu/Dockerfile b/1.16/scala_2.12-java8-ubuntu/Dockerfile
index 48bd822..44c2ded 100644
--- a/1.16/scala_2.12-java8-ubuntu/Dockerfile
+++ b/1.16/scala_2.12-java8-ubuntu/Dockerfile
@@ -44,9 +44,9 @@
   gosu nobody true
 
 # Configure Flink version
-ENV FLINK_TGZ_URL=https://www.apache.org/dyn/closer.cgi?action=download&filename=flink/flink-1.16.1/flink-1.16.1-bin-scala_2.12.tgz \
-    FLINK_ASC_URL=https://www.apache.org/dist/flink/flink-1.16.1/flink-1.16.1-bin-scala_2.12.tgz.asc \
-    GPG_KEY=A5F3BCE4CBE993573EC5966A65321B8382B219AF \
+ENV FLINK_TGZ_URL=https://www.apache.org/dyn/closer.cgi?action=download&filename=flink/flink-1.16.2/flink-1.16.2-bin-scala_2.12.tgz \
+    FLINK_ASC_URL=https://www.apache.org/dist/flink/flink-1.16.2/flink-1.16.2-bin-scala_2.12.tgz.asc \
+    GPG_KEY=8D56AE6E7082699A4870750EA4E8C4C05EE6861F \
     CHECK_GPG=true
 
 # Prepare environment
diff --git a/1.16/scala_2.12-java8-ubuntu/release.metadata b/1.16/scala_2.12-java8-ubuntu/release.metadata
index 03b7acb..3db679c 100644
--- a/1.16/scala_2.12-java8-ubuntu/release.metadata
+++ b/1.16/scala_2.12-java8-ubuntu/release.metadata
@@ -1,2 +1,2 @@
-Tags: 1.16.1-scala_2.12-java8, 1.16-scala_2.12-java8, scala_2.12-java8, 1.16.1-java8, 1.16-java8, java8
+Tags: 1.16.2-scala_2.12-java8, 1.16-scala_2.12-java8, scala_2.12-java8, 1.16.2-java8, 1.16-java8, java8
 Architectures: amd64,arm64v8